Method and device for clipping video based on feeling curve

Abstract

The invention provides a method and device for clipping a video based on a feeling curve, wherein the method comprises the steps of: obtaining multiple face expression videos of multiple users acquired when a target video is played, and respectively determining multiple face expression images including timestamps; performing face expression identification processing on the face expression images,determining face expression characteristic values, and determining corresponding emotional numerical groups; respectively performing average value processing on emotional numerical values in the multiple emotional numerical groups corresponding to the same timestamp, determining final emotional numerical groups, and furthermore, fitting to determine an emotional curve group corresponding to the target video according to the final emotional numerical groups of different timestamps; and, determining a key frame in the corresponding target video according to the crest or trough of the emotional curve in the emotional curve group, and determining the clipping range of the target video according to the position of the key frame. According to the method provided by the invention, rapid locatingon the clipping position is realized by utilization of the key frame; and thus, the clipping operation efficiency can be greatly increased.

Description

technical field [0001] The invention relates to the technical field of video editing, in particular to a method and device for editing video based on emotional curves. Background technique [0002] At present, when users are editing videos, they sometimes need to edit out the funniest, most sensational, or most frightening parts of the video, because people’s time is limited, and the speed at which people process video information is also limited. There are limitations, so users cannot watch all the videos from beginning to end, so often for a video editor or a user in a similar position, choosing where to edit the video is often a very challenging task, time-consuming Laborious and inefficient. [0003] One of the existing solutions is to provide a fast-forward function to allow users to quickly watch the video. But even at a speed of 3 times, the user still needs to spend time, and it will waste a lot of energy of the user to watch this video, and the user is easily fati...

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and device for editing video based on emotional curves to solve the defect that existing video editing cannot be quickly located

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